Exterior of a building element



FIG. 1 is a perspective view of an exterior of a building element showing our new design;

FIG. 2 is an end view of the exterior of a building element embodiment showing our new design;

FIG. 3 is a left view of the exterior of a building element showing our new design;

FIG. 4 is a right view of the exterior of a building element showing our new design;

FIG. 5 is a plan view of the exterior of a building element showing our new design; and,

FIG. 6 is a bottom view of the exterior of a building element showing our new design.

The broken lines showing internal features are for illustrative purposes only and form no part of the claimed design. Additionally, the building element is broken in the center to indicate that it is of indefinite length. 

The ornamental design for the exterior of a building element, as shown and described. 